The total ATP yield from complete aerobic oxidation of one molecule of glucose in eukaryotic cells is generally considered to be:
1. 28
2. 30
3. 36
4. 38
Subtopic:  THE RESPIRATORY BALANCE SHEET |
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Level 2: 60%+
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If a eukaryotic cell undergoes glycolysis in the absence of oxygen, which of the following outcomes regarding the balance of NADand ATP is correct?
1. NADH produced in glycolysis is reoxidised to NAD+ electron transport chain, maintaining glycolysis.
2. Fermentation pathways regenerate NAD+, allowing glycolysis to continue with net 2 ATP per glucose.
3. No NAD+ regeneration occurs, leading to immediate cessation of glycolysis after a few cycles.
4. Fermentation pathways generate additional ATP beyond the 2 ATP of glycolysis.
Subtopic:  THE RESPIRATORY BALANCE SHEET |
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The total ATP yield from one molecule of glucose in aerobic respiration is approximately ________.
1. 18
2. 24
3. 36
4. 38
Subtopic:  THE RESPIRATORY BALANCE SHEET |
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Level 1: 80%+
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The respiratory balance sheet gives a theoretical ATP yield because it assumes that:
1. Only glycolysis operates
2. All pathways function simultaneously
3. No intermediates are withdrawn
4. Oxygen is limiting
Subtopic:  THE RESPIRATORY BALANCE SHEET |
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